220042142 has 8 divisors (see below), whose sum is σ = 330472632. Its totient is φ = 109884600.

The previous prime is 220042133. The next prime is 220042153. The reversal of 220042142 is 241240022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220042142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66209 + ... + 69452.

It is an arithmetic number, because the mean of its divisors is an integer number (41309079).

Almost surely, 2^220042142 is an apocalyptic number.

220042142 is a deficient number, since it is larger than the sum of its proper divisors (110430490).

220042142 is a wasteful number, since it uses less digits than its factorization.

220042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136474.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 220042142 is about 14833.8175126971. The cubic root of 220042142 is about 603.7196171700.

Adding to 220042142 its reverse (241240022), we get a palindrome (461282164).

The spelling of 220042142 in words is "two hundred twenty million, forty-two thousand, one hundred forty-two".